Home / 10,340,859,912.90-15,521,031,642.15-5,437,053,039.30

Finding the Fourth Proportional to 10,340,859,912.90, 15,521,031,642.15 and 5,437,053,039.30

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Solution

The fourth proportional to 10,340,859,912.90, 15,521,031,642.15 and 5,437,053,039.30 is: 8,160,701,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340,859,912.90 : 15,521,031,642.15 = 5,437,053,039.30 : x
  2. Step 2: Convert to fraction form
    10,340,859,912.90/15,521,031,642.15 = 5,437,053,039.30/x
  3. Step 3: Cross multiply
    10,340,859,912.90x = 15,521,031,642.15 × 5,437,053,039.30
  4. Step 4: Simplify right side
    10,340,859,912.90x = 84,388,672,263,023,132,672
  5. Step 5: Solve for x
    x = 84,388,672,263,023,132,672/10,340,859,912.90
  6. Step 6: Final answer
    x = 8,160,701,621.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.